magnetic domain 中文意思是什麼

magnetic domain 解釋
磁疇,磁域
  • magnetic : adj. 1. 磁(性)的;(可)磁化的。2. 吸引人心的;有魅力的。3. 催眠術的。
  • domain : n 1 領土,版圖;領地。2 管區,勢力圈;(特定動物等的)生長圈;(學問、活動等的)領域,范圍;【物...
  1. Being a method of time - domain electrical magnetic surveying, the transient electromagnetic method ( tem ) can transmit first pulse electromagnetic field to underground making use of loop or electrical source and receive secondary induction field during of the pulse intermission

    瞬變電磁法是一種時間域電磁測量方法,是利用不接地回線或接地線源向地下發送一次脈沖磁場,在一次脈沖磁場的間歇期間,採用不接地線圈接收感應二次磁場。
  2. In this paper, the stereoisomer rearrangement of biomarker compound for the exclusive reaction form the electronic off - domain to the out - proton magnetic rotation is interpreted in the sedimentary system in terms of the micro - particle wave motion and the molecular orbital theory

    摘要應用微觀粒子波動和分子軌道理論、解釋生物標志化合物在沉積體系中自身獨有的「電子離城外質子磁旋反應」的重排機理。
  3. According to the minimum principle in energy, we analyze the microcosmic mechanism of magnetic domain construction and the main factor that affect the shape, size and connecting of the magnetic domain etc. from the microcosmic mechanism of ferromagnet, we analyze how stress influence the magnetic domain and magnetic domain wall, and discover the increase of stress energy and magnetism elasticity energy which destroy the balance of system energy make up the influence of magnetic domain structure, then set up basic disciplinarian between stress and characteristic of magnetism

    同時根據能量最小原理,從理論上分析了磁疇結構存在的微觀機理以及影響磁疇結構運動、變化的主要因素,得出了應力的存在將影響磁疇的形狀、大小和搭配方式等結論。從鐵磁晶體的微觀機理出發,研究了應力對磁疇和磁疇壁的影響,發現應力影響磁疇結構的本質是由於應力的作用使得鐵磁晶體增加了應力能和磁彈性能,體系為了達到新的平衡,導致了磁疇結構變化,並研究了應力與鐵磁晶體磁特性之間的基本規律。
  4. By analyzing the relative documents in this domain, we summarize the theory about the method and the technology of application of detecting weak magnetism, and deal the instrument en the civil and the oversea, by means of detailed research, from the society requirement at the present, using the theory of fluxgate, the technology of fluxgate transducer and the new methods and the new components and through careful calculation in theory and the experimental debugging, we develop the supervision book system of the library, thus extend the scope of the application of weak magnetic field measurement

    通過分析國內外大量的相關文獻,從理論上對弱磁場的檢測方法與應用技術進行了總結和歸納,並且對目前國內外弱磁檢測的儀器也做了相關論述,通過對磁通門技術較詳細的研究,並從目前的社會需求出發,採用磁通門理論,應用磁通門傳感器技術,運用新的方法與元器件,經過洋細的理論計算與實驗調試,研製了可以應用於圖書館圖書監測的系統,從而擴展了弱磁測量技術的應用范圍。
  5. It is found that the specific saturation magnetization decreases with the decrease of the nanocrystallites grain size. the dominating reason is the grain size of the nanocrystallites less than the critical size of the single magnetic domain

    發現對于純凈的納米晶粒來說,飽和磁化強度隨著晶粒線度的減小而減小,這主要是因為所制備的納米晶微粒的晶粒線度小於單疇顆粒的臨界粒徑。
  6. It indicates that these materials are optimum cadidate for application. the magnetostriction of terfenol - d was calculated based on the model of magnetic domain turning and the model of magnetic domain wall motion respectively. the experiment value is consistent with that of calculation in low magnetic fields

    應用磁疇轉動模型和疇壁位移模型計算了terfenol - d的磁致伸縮,計算結果表明在低磁場下,應用疇壁位移模型得到的計算結果與實驗結果符合較好。
  7. The research work as follow : magnetic domain structure of ferromagnet is systemically analyzed basing on the theory of ferromagnet, and we analyze the microcosmic mechanism of magnetic domain structure

    本文以此為研究背景,開展了以下幾方面的研究工作:根據鐵磁學的相關理論,系統分析了鐵磁材料的磁疇結構。
  8. The alternating current in the alternating current magnetic field leakage testing ( ac - mfl ) is one of the magnetizing manners. the sensitivity is very high to the defect of surface and the near to the surface of the workpiece. it is one of the developing directions of nondestructive testing ( ndt ) domain

    交變漏磁檢測技術中的交變是漏磁檢測技術中的一種磁化方式,該技術對工件表面及近表面缺陷具有較高的檢測靈敏度,是無損檢測領域未來主要發展方向之一。
  9. In particular, it is found that static instantons are just domain wall solutions in the magnetic film. stability of the domain walls is also investigated in terms of the instanton theory

    我們發現靜態周期瞬子正是鐵磁膜中的疇壁,用相應的瞬子理論討論了疇壁的穩定性。
  10. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各向異性分子磁體形成的理想無界膜,在強各向異性極限下,採用半經典近似方法,將磁化矢量的時空運動方程約化為2 + 1維sine - gordon場方程,從而得到各類疇結構。
  11. Texture and magnetic domain of nanocomposite ndfeb permanent magnetic alloys

    納米雙相釹鐵硼永磁合金的織構及磁疇
  12. Magnetic domain attachment

    磁疇附件
  13. Blade magnetic domain

    刀片形磁疇
  14. By sims method, we analyzed the profile distribution of mn and c, found that increasing the annealing temperature is beneficial to the diffusion of mn, but has no influence to c. mfm and squid measurements demonstrate that sub micron single - domain magnetic mnas particles found in sample annealing at 850 for 15s show ferromagnetism at room temperature and have a high curie temperature more than 300k

    利用二次離子質譜方法對mn和c在樣品中的分佈進行了研究,發現退火溫度的上升,有利於mn的擴散;而對c的分佈影響較小。利用磁力顯微鏡和超導量子干涉儀對樣品的磁性質進行了研究。發現在850 + 15s退火處理的樣品中形成了亞微米級單疇磁性mnas粒子;經測試其在室溫下呈現出鐵磁性,居里溫度在300k以上。
  15. For example, when magnetic material being pressed, magnetic domain, direction and strength of spontaneous magnetization will vary. this phenomenon is called effect of pressing magnet. whichever rearrangement of magnetic domain or direction change of spontaneous magnetization will induces extra shape change of material

    如對鐵磁材料施加應力時,往往會導致磁疇、自發磁化方向和強度發生變化,這一現象稱之為壓磁效應,由於得益於壓磁效應的作用,不論是磁疇重新排列還是自發磁化方向發生變化都會引起材料額外的形變,因此在一定應力的作用下鐵磁材料能產生非彈性變形。
  16. X - ray diffraction results revealed that the structure of as - deposited smco film was amorphous and crystallization happened after the films annealed at 500 in vacuum. the magnetic tests of smco thin films showed that its coercivity reduced with the increase of film ' s thickness while the ratio of mr / ms was opposite. the films " coercivity and mr / ms declined after it annealed at 500 because the machanism of magnetization were changed from domain wall nailing into magnetic nuclear forming

    研究結果表明,由於雜質fe的摻入降低了smco薄膜的磁性能;制備態smco薄膜為非晶態結構,矯頑力hc隨著薄膜厚度的增加而減小,剩磁比mr ms隨膜厚增加而增加;經過500真空退火熱處理后,薄膜出現smcos的結晶物,矯頑力hc降低, mr ms減小,磁化機制由疇壁釘扎類模型轉為形核類模型。
  17. 1. based on magnetic domain energy theory, magnetomechanical effect of single cycle load is studied and it is analysed emulationally that magnetic memory characteristic parameters of single cycle load. magnitude and direction of accessional magnetic intensity are made sure of the ferromagnetism material derived from single cycle load

    全文主要研究內容如下: 1 .基於磁疇結構的能量理論,對單周期載荷力磁效應進行了研究,並對單周期載荷磁記憶特徵量進行了數值模擬,確定了鐵磁性材料單周期載荷的應力附加磁化強度的大小和方向。
  18. In general, polycrystal or twin magnetostrictive materials are used as the drive unit in micro - displacement actuator. however, the displacement output of the actuator under low magnetic field is small and its precision is limited, as a result of motion restriction of magnetic domain walls by grain boundaries in polycrystal or twin magnetostrictve materials

    磁致伸縮是一種磁?機械耦合現象,以tb - dy - fe為代表的稀土超磁致伸縮材料,其伸縮量為普通壓電陶瓷的30 - 50倍,響應時間低於10 . 6秒,是理想的位移致動材料。
  19. The ultra high density bloch line memory ( blm ) scheme was proposed bykonish in 1983. negative vertical bloch line ( vbl ) pairs in the walls of stripe domains aligned in parallel ( minor loops ) are used as information carries in blm. so, the study of the temperature stability of the vbl in the magnetic domain of garnet bubble is very important to the study of blm and the development of magnetic domain wall physics

    並通過j . c . slonczewski所給出的vbl的平衡間距公式分析得出d疇壁中vbl間的平衡間距( s _ ( eq ) )隨溫度的升高而增大,這與以前人們所得到的ohb疇壁中vbl間平衡間距( s _ ( eq ) )隨溫度的升高而減小的結論不一致,並對此進行了分析。
  20. The changes of mfls were mainly induced by magneto - elastic effect with a slight deformation of material, and effected by the micro - flaws caused by disfigurements and dislocations aggregation at highly strained zones. at last, this thesis regards silicon steel and steel 20 as the research object, carries on magnetic domain observing experiments by bitter method. the result shows that changes of domains were induced by stress concentration

    作者還以硅鋼片和20 ~ #鋼為研究對象,利用粉紋法探索性地觀察了樣品應力集中部位的磁疇形貌,結果表明:應力載荷導致了樣品磁疇的變化,在兩種材料應力集中部位的表面都初步觀察到了迷宮形狀為主的磁疇。
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